Grass cutter



FIG. 1 is a perspective view of the grass cutter showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof,

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left view thereof; and,

FIG. 7 is a right view thereof.

The broken line showing of a mounting device is included for the purpose of illustrating environmental structure only and forms no part of the claimed design. 

CLAIM The ornamental design for a grass cutter, as shown and described. 